PR: MPDIST-20

Submitted by: Phil Steitz
Fix combined javadoc classpath in dist:multiproject-bin.
New properties maven.dist.src.includes and maven.dist.bin.includes.
Removed the maven.dist.src.include property.

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@447987 13f79535-47bb-0310-9956-ffa450edef68

dist/src/plugin-test/project.properties

@@ -1 +1 @@
-maven.dist.src.include=custom.txt,doesntexists.txt
+maven.dist.src.includes=maven.xml,project.properties,project.xml,custom.txt,doesntexists.txt